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Sonic logging

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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583958
... In the present study, we investigated the effect of eccentered/tilted logging tools on the propagation behavior of the dispersive waves through numerical experiments. We simulated sonic propagation for both fast and slow formations, assuming a monopole and a set of dipoles and quadrupoles. We...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-203399-MS
... cement and bond evaluation well logging drilling measurement logging while drilling upstream oil & gas drilling operation collar arrival application hybrid methodology saudi arabia casing and cementing bond index evaluation log analysis lwd lwd sonic tool receiver integrity new...
Proceedings Papers

Paper presented at the ARMA/DGS/SEG International Geomechanics Symposium, November 3–5, 2020
Paper Number: ARMA-IGS-20-027
... ABSTRACT The workflow for modeling sonic logging response of boreholes in anisotropic formations subject to the formation stress is presented. It enables computing the dispersion curves of any borehole mode, including the flexural and quadrupole ones. The key steps are determining static...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 26–29, 2020
Paper Number: SPE-201932-MS
... Sonic logging belongs to the branch of borehole-geophysical techniques. Since the acoustic properties of the medium, such as velocity and attenuation, are closely related to the type of rocks and formation fluid (for example, hydrocarbons), measuring these properties can provide important...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427984
... Vertical transverse isotropic (VTI) formations are commonly encountered in sedimentary basins and they are the simplest type of anisotropic formations. However, the inversion of the sonic logging data in such formations is a challenging problem for the case of wells parallel to the axis...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2018
... ABSTRACT Advancements in the design of sonic logging tools have made it possible to characterize rock formations more extensively. This achievement has had a great impact on the design of effective drilling, completion and production practices. However, interpretation of the data acquired...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30696-MS
... using logging while drilling (LWD) sonic tools in a wide variety formation types, often in large, and potentially washed out, surface holes and in a wide variety of mud types. This paper will discuss the physics of acquiring quadrupole shear measurements in large boreholes and slow formations...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215501
... ABSTRACT Sonic logging has been widely used for many years to acquire physical properties of hydrocarbon reservoirs. Although sonic logging provides useful information in the subsurface, the resolution of existing methods is restricted to 6 inch defined by neighboring receiver distance...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-OOO
...SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_OOO 1 WAVELENGTH-BASED AXIAL RESOLUTION LIMITATIONS OF FLEXURAL WAVE DISPERSION SONIC LOGGING Kristoffer Walker1, Qingtao Sun, and Ruijia Wang, Halliburton 1Now with Chevron ETC Copyright 2019, held jointly...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-U
... ABSTRACT Sonic logging data are useful in a variety of applications, including seismic correlation, rock mechanics and wellbore stability, pore pressure prediction, sourceless porosity estimation, gas detection, and stress and fracture characterization. In many cases, logging-while-drilling...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995738
... ABSTRACT Full-array waveform data processing of dipole sonic logging data can provide stable shear slowness logs; however, resolution is limited to array size. To better resolve smaller features, such as thin beds or formations with strong heterogeneity, multishot subarray waveform processing...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998513
... , 1551 – 1556 , 10.1785/0120160242 . Removal of dispersive borehole waves and beam imaging of fractures around the wellbore using sonic logging data David Li*1,Xiao Tian2, Hao Hu1, Xiao-Ming Tang3, Yingcai Zheng1 1University of Houston, Houston, TX 77204; 2University of Science and Technology...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13847560
... ABSTRACT Real-time sonic logging data processing becomes a nontrivial task to accurately and automatically evaluate both the compressional and shear slowness when human interactions are not allowed and when the computing time is limited between different transmitter firings. To answer...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181316-MS
... Abstract The quantification of anisotropy in horizontal wells, common in shale reservoirs, with dipole sonic featuring a unique through-the-bit conveyance is presented. Anisotropy and fracture evaluation with multipole sonic logging provides essential information for designing completions...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2016
Paper Number: OTC-26597-MS
... . AIAA 2007-6734. Close , D. , Cho , D. , Horn , F. et al . 2009 . The Sound of Sonic: A Historical Perspective and Introduction to Acoustic Logging . CSEG Recorder 34 ( 05 ): 34 – 43 . Killingsworth , N.J. , Aceves , S.M. , Flowers , D.L. et al . 2009...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5933362
...Separating intrinsic and scattering attenuation in sonic logging of a geothermal field Evert Dura´n, Kasper van Wijk and Ludmila Adam, University of Auckland, Irene Wallis, Mighty River Power SUMMARY Elastic waves attenuate in the earth due to scattering and ab- sorption. The latter can be linked...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170972-MS
...) enabling the possibility of evaluating brittleness in plays lacking mineralogical and shear sonic loggings, thus reducing the quantity of laboratory testing, (2) inspiring operators to develop in-house correlations of brittleness for shale gas plays, and (3) investigating similar correlations in emerging...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170541-MS
..., Terale [ 4 ] proposed the following equation using the concept of specific energy Abstract In this paper, we propose an innovative use of MWD and Sonic logging data for better estimation of UCS. Sonic logging data and real-time ROP measurements are integrated into a Bayesian inference framework...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0462
... Summary Sonic logging tools excite compressional, shear, and different dispersive modes in a wellbore. Waveforms acquired at the receiver array are processed to calculate compressional and shear slowness logs, from which one can estimate relevant dynamic elastic properties of rock formations...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-160133-MS
... and DTC curves to up, down, left and right quadrant DTC and DTS log curves, along with representative vertical and horizontal coherence images ( Figure 6 ). Figure 6 LWD azimuthal sonic and azimuthal gamma ray data from a horizontal shale reservoir well in the northeastern U.S., including gamma ray...

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